Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - ZONE_DMA32 initialisation fix when memblocks fall entirely within the
   first GB (used by ZONE_DMA in 5.5 for Raspberry Pi 4).

 - Couple of ftrace fixes following the FTRACE_WITH_REGS patchset.

 - access_ok() fix for the Tagged Address ABI when called from from a
   kernel thread (asynchronous I/O): the kthread does not have the TIF
   flags of the mm owner, so untag the user address unconditionally.

 - KVM compute_layout() called before the alternatives code patching.

 - Minor clean-ups.

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: entry: refine comment of stack overflow check
  arm64: ftrace: fix ifdeffery
  arm64: KVM: Invoke compute_layout() before alternatives are applied
  arm64: Validate tagged addresses in access_ok() called from kernel threads
  arm64: mm: Fix column alignment for UXN in kernel_page_tables
  arm64: insn: consistently handle exit text
  arm64: mm: Fix initialisation of DMA zones on non-NUMA systems

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